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API > API/Runtime > API/Runtime/Slate > API/Runtime/Slate/Widgets > API/Runtime/Slate/Widgets/Layout
Inheritance Hierarchy
- FSlateControlledConstruction
- TSharedFromThis
- SWidget
- SPanel
- SScrollBarTrack
References
| Module | Slate |
| Header | /Engine/Source/Runtime/Slate/Public/Widgets/Layout/SScrollBarTrack.h |
| Include | #include "Widgets/Layout/SScrollBarTrack.h" |
Syntax
class SScrollBarTrack : public SPanel
Remarks
Arrange 3 widgets: the top track, bottom track, and thumb.
Variables
| Type | Name | Description | |
|---|---|---|---|
 |
bool | bIsAlwaysVisible | |
 |
TPanelChildren< FSlot > | Children | |
 |
float | MinThumbSize | |
 |
float | OffsetFraction | |
 |
EOrientation | Orientation | |
 |
float | ThumbSizeFraction |
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
Functions
| Type | Name | Description | |
|---|---|---|---|
 |
void | Construct
(
const FArguments& InArgs |
Construct the widget from a Declaration |
  |
float | ||
  |
float | ||
  |
float | ||
  |
float | ||
  |
FTrackSizeInfo | GetTrackSizeInfo
(
const FGeometry& InTrackGeometry |
|
  |
bool | IsNeeded () |
|
 |
void | SetIsAlwaysVisible
(
bool InIsAlwaysVisible |
|
 |
void | SetSizes
(
float InThumbOffsetFraction, |
Overridden from SWidget
| Type | Name | Description | |
|---|---|---|---|
   |
FVector2D | ComputeDesiredSize
(
float |
A Panel's desired size in the space required to arrange of its children on the screen while respecting all of the children's desired sizes and any layout-related options specified by the user. |
  |
FChildren * | GetChildren () |
All widgets must provide a way to access their children in a layout-agnostic way. |
   |
void | OnArrangeChildren
(
const FGeometry& AllottedGeometry, |
Panels arrange their children in a space described by the AllottedGeometry parameter. |
Classes
| Type | Name | Description | |
|---|---|---|---|
 |
FArguments | ||
 |
FSlot | A ListPanel slot is very simple - it just stores a widget. | |
 |
FTrackSizeInfo |
Constants
| Name | Description |
|---|---|
| BOTTOM_SLOT_INDEX | |
| THUMB_SLOT_INDEX | |
| TOP_SLOT_INDEX |